Home / 90,737.73-136,134.23-46,395.63

Finding the Fourth Proportional to 90,737.73, 136,134.23 and 46,395.63

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Solution

The fourth proportional to 90,737.73, 136,134.23 and 46,395.63 is: 69,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,737.73 : 136,134.23 = 46,395.63 : x
  2. Step 2: Convert to fraction form
    90,737.73/136,134.23 = 46,395.63/x
  3. Step 3: Cross multiply
    90,737.73x = 136,134.23 × 46,395.63
  4. Step 4: Simplify right side
    90,737.73x = 6,316,033,133.44
  5. Step 5: Solve for x
    x = 6,316,033,133.44/90,737.73
  6. Step 6: Final answer
    x = 69,607.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.